Tyrone William Griffin Jr. (born April 13, 1982), better known by his stage name Ty Dolla Sign (stylized as Ty Dolla $ign or Ty$), is an American singer, songwriter, multi-instrumentalist, and record producer. He first gained recognition for his feature on rapper YG's 2010 single "Toot It and Boot It". In 2012, he signed to Atlantic Records, and in 2013 signed with rapper Wiz Khalifa's Taylor Gang Entertainment. He's since released three studio albums, Free TC (2015), Beach House 3 (2017), and Featuring Ty Dolla Sign (2020), the latter of which reached number 4 on the Billboard 200.

Ty Dolla Sign is known for his songs "Paranoid" (featuring B.o.B), "Or Nah" (featuring Wiz Khalifa and DJ Mustard), and "Blasé" (featuring Rae Sremmurd and Future), as well his various features on singles such as "Work from Home" by Fifth Harmony, "Swalla" by Jason Derulo, "Hot Girl Summer" by Megan Thee Stallion, and "Psycho" by Post Malone, which was his first track to hit number one on the Billboard Hot 100 and is certified Diamond by the RIAA. Along with his recording career, Ty Dolla Sign is also a songwriter and record producer for other artists, with credits on singles including "Loyal" by Chris Brown, "Post to Be" by Omarion, and "FourFiveSeconds" by Rihanna, among others.

Source: Wikipedia (https://en.wikipedia.org/wiki/Ty_Dolla_Sign)